Hackernews posts about Quad9

Quad9 is a fast-growing public Domain Name System (DNS) provider that aims to offer an alternative to traditional DNS services by providing a free and open platform for users worldwide.

1. Ask HN: Was Quad9 ECS down for anyone else today at UTC 1PM?
   2 points by opengrass 3 days ago | discuss
2. Fun with a Quadra 950 and a Whole Lot of RAM (lowendmac.com)
   4 points by geerlingguy 19 days ago | discuss
3. Java's String.indexOf can be slow (quadratic) (lemire.me)
   3 points by mfiguiere 8 days ago | 1 comments
4. China's MiniMax sees revenue nearly quadruple in first half as AI demand surges (www.reuters.com)
   3 points by tartoran 5 days ago | discuss
5. I made an autonomous quadcopter for safely capturing drones over prisons etc. [video] (www.youtube.com)
   3 points by avolare 5 days ago | discuss
6. Wi-Fi 7 adoption in the US quadrupled in a year – is it time to upgrade? (www.zdnet.com)
   3 points by CrankyBear 23 days ago | discuss
7. Scaling a 1.59 quadrillion-row logging system with ClickHouse (clickhouse.com)
   3 points by saisrirampur 28 days ago | discuss
8. Why are there no quadruped 'wheelchairs'? (twitter.com)
   2 points by mc_thinking 24 days ago | 8 comments
9. GT-BN98 Quad-Band WiFi 8 (802.11B) Gaming Router (rog.asus.com)
   2 points by doener about 5 hours ago | discuss
10. Show HN: Mapping where a quadruped RL policy fails, with a live probe (poissonlabs.ai)
    2 points by taykolasinski 10 days ago | discuss
11. Is Longevity a $1.2 Quadrillion Opportunity? (metatrends.substack.com)
    2 points by chegra 19 days ago | discuss
12. A Quadrillion Rows across three Clouds: scaling LogHouse (clickhouse.com)
    2 points by samaysharma 25 days ago | discuss
13. Launch HN: Keet (YC S24) – An app to create video courses on anything (www.trykeet.com)
    48 points by zackashen 20 days ago | 48 comments
14. Show HN: BAIhAIs – an autonomous art school for AI agents (baihais.com)
    5 points by demonstrandom 4 days ago | 2 comments
15. Show HN: TAMX – Personal Tamagotchi
    1 points by riteshgharat 23 days ago | discuss
16. Woe Is Em: The Sad Lifecycle of an AI Tell (stevekrause.org)
    1 points by quadtree 8 days ago | discuss
17. DNS Provider Quad9 Sees Piracy Blocking Orders as "Existential Threat" (torrentfreak.com)
    268 points by gslin 10 months ago | 116 comments
18. Top DNS domains seen on the Quad9 recursive resolver array each day (github.com)
    160 points by speckx about 1 year ago | 97 comments
19. Quad9 DOH HTTP/1.1 Retirement, December 15, 2025 (quad9.net)
    103 points by pickledoyster 9 months ago | 61 comments
20. Quad9 Enables DNS over HTTP/3 and DNS over QUIC (quad9.net)
    69 points by itchingsphynx 5 months ago | 17 comments
21. Quad9 – A public and free DNS service for a better security and privacy (www.quad9.net)
    63 points by janandonly over 1 year ago | 30 comments
22. French Piracy Blocking Order Goes Global, DNS Service Quad9 Vows to Fight (torrentfreak.com)
    36 points by latexr over 1 year ago | 22 comments
23. Quad9 Enables DNSSEC on All Service Endpoints (quad9.net)
    11 points by bernd289 5 months ago | discuss
24. Quad9 9.9.9.9 DNS queries *from Germany* slow today
    3 points by oriettaxx 7 months ago | 3 comments
25. DNS4EU, DNS0, Quad9: review of European public DNS resolvers (blog.frehi.be)
    2 points by amai about 1 year ago | discuss
26. Show HN: CDNs – A simple Go CLI to switch DNS servers in one second (github.com)
    1 points by unsorted2270 6 months ago | discuss
27. What Happens When You Interfere with the Infrastructure of the Internet (quad9.net)
    7 points by fodmap 12 months ago | discuss
28. When Enforcing Copyright Starts Breaking the Internet's Plumbing (quad9.net)
    5 points by HotGarbage 10 months ago | discuss
29. DNSSEC NTAs: No Good Compromises (quad9.net)
    2 points by Velocifyer 6 months ago | discuss
30. An open DNS recursive service for free security and high privacy (quad9.net)
    2 points by doener about 1 year ago | discuss
31. QuadRF can spot drones and see WiFi through my wall (www.jeffgeerling.com)
    754 points by speckx about 2 months ago | 236 comments
32. Why does kinetic energy increase quadratically, not linearly, with speed? (2011) (physics.stackexchange.com)
    381 points by ProxyTracer 2 months ago | 215 comments
33. Israel escalates attacks on medics in Lebanon with deadly 'quadruple tap' (www.theguardian.com)
    308 points by tcp_handshaker 5 months ago | 230 comments
34. Quadlet: Running Podman containers under systemd (mo8it.com)
    298 points by gjvc over 1 year ago | 68 comments
35. An interactive intro to quadtrees (growingswe.com)
    222 points by evakhoury 6 months ago | 30 comments
36. Subterranean fungi networks more than 100 quadrillion km in length (www.theguardian.com)
    188 points by tosh 3 months ago | 45 comments
37. Podman Quadlets with Podman Desktop (podman-desktop.io)
    180 points by teleforce over 1 year ago | 85 comments
38. Cannabis use associated with quadrupled risk of developing type 2 diabetes (medicalxpress.com)
    161 points by geox 12 months ago | 98 comments
39. The quadratic sandwich (fedemagnani.github.io)
    147 points by mbustamanter 3 months ago | 15 comments
40. Bilinear interpolation on a quadrilateral using Barycentric coordinates (gpuopen.com)
    143 points by mariuz over 1 year ago | 34 comments
41. Functional Quadtrees (lbjgruppen.com)
    140 points by lbj 9 months ago | 49 comments
42. Expensively Quadratic: The LLM Agent Cost Curve (blog.exe.dev)
    131 points by luu 7 months ago | 81 comments
43. Why quadratic funding is not optimal (jonathanwarden.com)
    119 points by jwarden about 1 year ago | 96 comments
44. Show HN: Quadratic – native JavaScript support in a spreadsheet (www.quadratichq.com)
    112 points by Manchego79 almost 2 years ago | 48 comments
45. Quadrupling code performance with a "useless" if (purplesyringa.moe)
    112 points by birdculture about 2 months ago | 29 comments
46. Functional Flocking Quadtree in ClojureScript (www.lbjgruppen.com)
    103 points by lbj 9 months ago | 12 comments